Hi - yes, this is equivalent.
Cheers, Steve.
On 31 Jul 2007, at 22:37, Sophie Anisa wrote:
> Just to conclude this discussion, now that I understand
> this example more clearly, is it the case that the
> triple t-test example shown on the FEAT web page
> could be made simpler using the different model:
>
> EV1 EV2 EV3 EV4 EV5 EV6 EV7
> 1 0 1 0 0 0 0
> 1 0 0 1 0 0 0
> 1 0 0 0 1 0 0
> 1 0 0 0 0 1 0
> 1 0 0 0 0 0 1
> 0 1 1 0 0 0 0
> 0 1 0 1 0 0 0
> 0 1 0 0 1 0 0
> 0 1 0 0 0 1 0
> 0 1 0 0 0 0 1
> 0 0 1 0 0 0 0
> 0 0 0 1 0 0 0
> 0 0 0 0 1 0 0
> 0 0 0 0 0 1 0
> 0 0 0 0 0 0 1
>
> where the contrasts would now be:
>
> EV1 EV2 EV3 EV4 EV5 EV6 EV7
> A-B 1 -1 0 0 0 0 0
> A-C 1 0 0 0 0 0 0
> B-C 0 1 0 0 0 0 0
>
>
> Or is this not the same?
>
>
> kind regards
>
> Sophie
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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